//
// Created by 51165 on 2025/10/19.
//
#include <stdio.h>
#include <windows.h>
#include <stdio.h>
int main()
{
    char arr1[] = "welcome to bit...";
    char arr2[] = "#################";
    int left = 0;
    int right = strlen(arr1)-1;
    printf("%s\n", arr2);
    while(left<=right)
    {
        Sleep(1000);
        arr2[left] = arr1[left];
        arr2[right] = arr1[right];
        left++;
        right--;
        printf("%s\n", arr2);
    }
    return 0;
}